Merge pull request #74 from stuycs-ml7-projects/helen

setting default period to 1
Update README.md

link
Update README.md

twilio
Update README.md
Update README.md

twilio
fixed delete button issue in db.py
fixed delete button issue in update.html
delete button issue
delete button issue
delete button issue
delete button issue
fixed loadMapsByGrade issue
bubbles stay in boundary
bubbles stay in boundary
adding zoom buttons
adding zoom buttons
adding zoom buttons
scroll down automatically when view profile
wrapped profile
formatted profile display